Re: bidi-display-reordering is now non-nil by default

From:

David Kastrup

Subject:

Re: bidi-display-reordering is now non-nil by default

Date:

Fri, 05 Aug 2011 07:46:21 +0200

User-agent:

Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

"Stephen J. Turnbull" <address@hidden> writes:
> > And then move that string when text is inserted after the preceding
> > non-mark character, or that character is deleted, yes? Sounds like
> > fun.
>
> Put that way, not at all. But you know what? Emacs has long ago
> solved such problems, at least most of them. IIUC, in XEmacs, this
> could easily be implemented with a zero-length extent with appropriate
> stickiness attributes. If Emacs doesn't already have such a device,
Text properties can't be zero-length, overlays don't copy along with
text. If this were different, you could copy an empty region and could
not be sure that it did not contain extents after all.
--
David Kastrup